Home / 1,453,680,014.40-2,180,520,021.60-873,204,724.80

Finding the Fourth Proportional to 1,453,680,014.40, 2,180,520,021.60 and 873,204,724.80

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Solution

The fourth proportional to 1,453,680,014.40, 2,180,520,021.60 and 873,204,724.80 is: 1,309,807,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,680,014.40 : 2,180,520,021.60 = 873,204,724.80 : x
  2. Step 2: Convert to fraction form
    1,453,680,014.40/2,180,520,021.60 = 873,204,724.80/x
  3. Step 3: Cross multiply
    1,453,680,014.40x = 2,180,520,021.60 × 873,204,724.80
  4. Step 4: Simplify right side
    1,453,680,014.40x = 1,904,040,385,382,117,888
  5. Step 5: Solve for x
    x = 1,904,040,385,382,117,888/1,453,680,014.40
  6. Step 6: Final answer
    x = 1,309,807,087.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.